<script setup>
import { ref } from 'vue'
import { Edit, Delete } from '@element-plus/icons-vue'
import { ElMessageBox ,ElMessage} from 'element-plus'
import ChannelEdit from '@/views/book/components/ChannelEdit.vue'



import {bookCategory,delCategory} from '@/api/book/index';

const channelList = ref([])
const loading = ref(false)
//获得分类数据
const getChannelList = async () => {
  loading.value = true
  const res = await bookCategory()
  channelList.value = res.data.data
  loading.value = false

}
getChannelList()

//删除分类
const onDelChannel = async (row) => {
  await ElMessageBox.confirm('你确认要删除该分类么', '温馨提示', {
    type: 'warning',
    confirmButtonText: '确认',
    cancelButtonText: '取消'
  })
  await delCategory(row.id)
  ElMessage.success('删除成功')
  getChannelList()
}

//新增修改分类
const dialog = ref()
const onAddChannel = () => {
  dialog.value.open({})
}
const onEditChannel = (row) => {
  dialog.value.open(row)
}

const onSuccess = () => {
  ElMessage.success('操作成功')
  getChannelList()
}
</script>

<template>
  <page-container title="图书分类">

    <template #extra>
      <el-button @click="onAddChannel">添加分类</el-button>
    </template>

    <el-table v-loading="loading" :data="channelList" style="width: 100%">
      <el-table-column type="index" label="序号" width="100"></el-table-column>
      <el-table-column prop="categoryName" label="分类名称"></el-table-column>
      <el-table-column label="操作" width="150">
        <!-- row 就是 channelList 的一项， $index 下标 -->
        <template #default="{ row, $index }">
          <el-button
            :icon="Edit"
            circle
            plain
            type="primary"
            @click="onEditChannel(row, $index)"
          ></el-button>

          <el-button
            :icon="Delete"
            circle
            plain
            type="danger"
            @click="onDelChannel(row, $index)"
          ></el-button>
        </template>
      </el-table-column>

      <template #empty>
        <el-empty description="没有数据"></el-empty>
      </template>
    </el-table>

    <channel-edit ref="dialog" @success="onSuccess"></channel-edit>
  </page-container>
</template>

<style lang="scss" scoped></style>
